<h1>使用网易云手机号登录</h1>
<input type="text" value="" id="username-input" placeholder="手机"  class="layui-input"> 
<input type="password" value="" id="password-input" placeholder="密码"  class="layui-input"> 
<button type="button" class="layui-btn" onclick="onLoginBtn();">登录</button>